Fatty acids released by hormone sensitive lipase in adipocytes are transported to muscle by: OA) albumin. B) colipase. OC) fatty acid binding protein (FABP). OD) transferase.
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- 3. After 12 days of starvation, a man reduced his weight by 4 kg. The doctor prescribed him biochemical blood test to analyze the level of lipids in serum blood. The results showed an elevated level of free fatty acids and triacylglycerols. Explain the results of the biochemical blood test. For that: a) name the main hormone which manages metabolism during starvation; b) draw the scheme of this hormone action on the adipose tissue; c) name the possible pathways of fatty acids usage in the liver during starvation and write down the proper schemes.Which of the following occurs by active transport A)transport of Na+ from region of higher concentration through a region of lower concentration through a channel B) simple didfussion of a steroid hormone through the plasma memebrane C) Faciltated diffusion of Cl- down it's concentration gradient D) Transport of K+ across the plasma memebrane using cellular ATP(c) Discuss the mechanism of action of the enzyme chymotrypsin.
- Which 2 endocrine glands exert the most control over blood calcium level:a) anterior pituitary and adrenal cortex b) thyroid and ovaries c) adrenal cortex and thyroid d) parathyroid and anterior pituitary e) thyroid and parathyroidWhat is the role of calcium at the synaptic terminal?Explain the active site theory of enzyme functioning?1) The major function of high density lipoprotein (HDL) is to, choose all correct answers. (A) bind high density lipoprotein (HDL). (B) transport cholesterol to peripheral tissues. (C) serve as a precursor for cholesterol biosynthesis. (D) transport cholesterol from peripheral tissues to liver. (E) serve as a site for the esterification of cholesterol. 2). Individual with the genetic disease of Familial hypercholesterolemia have higher levels of cholesterol in the blood, which of the following could cause this disease: (A) deregulated biosynthesis of low-density lipoprotein (LDL) receptors (B) high dietary cholesterol (C) plaque formation in the arteries. (D) high cholesterol biosynthesis in liver tissue. (E) deregulated biosynthesis of low-density lipoprotein (LDL) 3) The enzyme inorganic pyrophosphatase utilizes ____ as its substrate. A). ATP B). ADP C). AMP D). PPi E). phosphateA)Carrier of the activated amino acids to the ribosomes for incorporation into the growing peptide chain. B)Molecule that attaches to myosin and actin during muscle contraction. C)The reduced cofactor important in the TCA cycle and used in the last part of respiration. Please identify the terms.
- What chemical is the structural basis of the bile salts, Vitamin D, and all of the steroid hormones to include estrogen, progesterone, and testosterone? A) Cholesterol B) Arginine C) Glucose D) Acetyl CoA E) Glucose-6-dehydrogenasePDHC is an enzyme complex consisting of 3 different enzymes. Which of the following processes regulate the activity of PDH Complex? (multiple answers) A) Phosphorylation/Dephosphorylation of E1 B) High levels of cAMP C) Acetylation/Deacetylation of E1 D) High NADH/NAD+ ratio E) High NAD+/NADH ratioComparing cells synthesizing secretory proteins and cells secreting steroid hormones, the cells synthesizing the steroid hormones have: A) more rough ER. B) more smooth ER C) equal amounts of smooth and rough ER D) equal amounts of smooth and rough ER, but more lysosomes. E) equal amounts of smooth and rough ER, but fewer lysosomes.
- 1) Individual with the genetic disease of Familial hypercholesterolemia have higher levels of cholesterol in the blood, which of the following could cause this disease: (A) deregulated biosynthesis of low-density lipoprotein (LDL) receptors (B) high dietary cholesterol (C) plaque formation in the arteries. (D) high cholesterol biosynthesis in liver tissue. (E) deregulated biosynthesis of low-density lipoprotein (LDL) 2) The enzyme inorganic pyrophosphatase utilizes ____ as its substrate. A). ATP B). ADP C). AMP D). PPi E). phosphateWhich of the following is important in signal transduction triggered by hormones?a) Phosphatidylinositol and its derivativesb) Phosphatidylserine and its derivativesc) Phosphatidylglycerol and its derivativesd) PhosphatidylethanolamineAdipose triglyceride lipase (ATGL) hydrolyzes a fatty acyl group from: A) monoacylglycerol. B) diacylglycerol. C) triacylglycerol. D) A and C. E) B and C.